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Audi S4 Performance Parts & Upgrades

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Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32)

ES#3082393 - B5S4S4BBKRXSKT - Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32) - For customers with existing 18z calipers, brake pads, & fluid - ECS - Audi

For customers with existing 18z calipers, brake pads, & fluid 10X Entries Into Our F80 M3 Sweepstakes

Does not include calipers, brake pads, or brake fluid

Brand:
ECS - Corporate Logo
ES#:
3082393
Mfg#:
B5S4S4BBKRXSKT
Ships in 1 Business Day
ON SALE!
$1305.99

This product was last offered at the strikethrough price on
06-13-2026

$1240.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

17.5mm Wheel Spacers - Black (Pair)

ES#3476435 - 021460TMS03-06 - 17.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476435
Mfg#:
021460TMS03-06
In Stock
ON SALE!
$162.99

This product was last offered at the strikethrough price on
06-13-2026

$154.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Endurance Clutch Kit

ES#3106549 - ks4b8hdofeKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 430ft/lbs. - South Bend Clutch - Audi

Designed for track use while still streetable. Conservatively rated at 430ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106549
Mfg#:
KS4B8HDOFEKT
In Stock
$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Endurance Clutch Kit

ES#3106510 - k70286sstzKT - Stage 3 Endurance Clutch Kit - Designed for dedicated track cars. Conservatively rated at 500ft/lbs. - South Bend Clutch - Audi

Designed for dedicated track cars. Conservatively rated at 500ft/lbs. Recommended to be used with South Bend Flywheel SBC0504

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106510
Mfg#:
K70286SSTZKT
Ships in 1 Business Day
$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Auxiliary Water Pump Delete Hose

ES#2864548 - 034-102-3010 - Silicone Auxiliary Water Pump Delete Hose - Reinforced silicone hose allows for simple removal of the failure-prone after run coolant pump - 034Motorsport - Audi

Reinforced silicone hose allows for simple removal of the failure-prone after run coolant pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864548
Mfg#:
034-102-3010
In Stock
$51.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/S4 Carbon Fiber Inlet Scoop

ES#3537354 - 024641ecs02KT - B9 A4/S4 Carbon Fiber Inlet Scoop - Channel air to your intake with performance syle! - ECS - Audi

Channel air to your intake with performance syle! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3537354
Mfg#:
024641ECS02KT
Ships on Mar 19, 2027
ON SALE! SAVE 10%
$271.61

This product was last offered at the strikethrough price on
05-02-2026

$244.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R Springs With Koni Shocks & Struts

ES#2593893 - 50314KT - Cup Kit - H&R Springs With Koni Shocks & Struts - Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R - Assembled By ECS - Audi

Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R 10X Entries Into Our F80 M3 Sweepstakes
Sedan model only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593893
Mfg#:
50314KT
In Stock at Vendor
$1281.99

This product was last offered at the strikethrough price on
10-01-2026

$1221.99 USD
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 15mm Wheel Spacers - Pair (With Bolts)

ES#4430400 - EMD-SPACER-15-66 - EMD Auto 15mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430400
Mfg#:
EMD-SPACER-15-66
Ships on Nov 11, 2026
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts

ES#2177183 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177183
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

This product was last offered at the strikethrough price on
06-13-2026

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Exact-Fit Stainless Steel Brake Lines

ES#250735 - ECS41054KT - Front Exact-Fit Stainless Steel Brake Lines - Front set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Front set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
250735
Mfg#:
ECS41054KT
In Stock
ON SALE! SAVE 15%
$100.99

This product was last offered at the strikethrough price on
06-13-2026

$85.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Pack - Set Of Six

ES#3691811 - 06h905110gKT4 - Ignition Coil Pack - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691811
Mfg#:
06H905110GKT4
In Stock
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Engine Oil Drain Plug

ES#2749259 - 003365ECS01 - Magnetic Engine Oil Drain Plug - Capture harmful particles to prevent wear. M24x1.5 - ECS - Audi Volkswagen

Capture harmful particles to prevent wear. M24x1.5 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2749259
Mfg#:
003365ECS01
Ships on Nov 18, 2026
ON SALE! SAVE 25%
$40.99

This product was last offered at the strikethrough price on
06-13-2026

$30.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - B9 Audi A4/S4

ES#4424819 - S-27-BR - BR Series Coilover Suspension Kit - B9 Audi A4/S4 - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
4424819
Mfg#:
S-27-BR
Back Ordered
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Snub Mount

ES#3178073 - 034-509-2011 - Performance Polyurethane Snub Mount - Reduce unwanted engine movement with a full polyurethane mount - 034Motorsport - Audi

Reduce unwanted engine movement with a full polyurethane mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3178073
Mfg#:
034-509-2011
In Stock
$54.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 10mm (1 Pair)

ES#2538522 - 2055668 - DR Series Wheel Spacers - 10mm (1 Pair) - Get that stance that you've been craving with these new spacers - H&R - Audi MINI Porsche

Get that stance that you've been craving with these new spacers We Price Match - Give Us A Call or Chat!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 5.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
2538522
Mfg#:
2055668
Ships in 3 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$109.99

This product was last offered at the strikethrough price on
10-01-2026

$98.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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